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A boat travels 30 miles upstream in 5 hours. The return trip downstream takes 3 hours. If the boat travels at the same rate on both parts of the trip, what is the rate of the cu…
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A boat travels 30 miles upstream in 5 hours. The return trip downstream takes 3 hours. If the boat travels at the same rate on both parts of the trip, what is the rate of the cu…
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Jul 20, 2018
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A boat travels 30 miles upstream in 5 hours. The return trip downstream takes 3 hours. If the boat travels at the same rate on both parts of the trip, what is the rate of the current, in miles per hour?
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Kapil Thakkar
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5/30-x = 10/30+x
5(30+x) = 10(30-x)
150+5x = 300-10x
5x+10x=300-150
15x = 150
x= 10 mph
Ashweta
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Jul 27, 2018
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